Which interface in Java Collections framework provides a dynamic array-like data structure that can grow or shrink in size?
Anonymous Poll
49%
a) List
16%
b) Set
20%
c) Map
15%
d) Queue
🤔11👍6🤷♂3
Question: Which CSS property is used to set the background color of an element?
Anonymous Quiz
4%
a) color
76%
b) background-color
4%
c) text-color
16%
d) bgcolor
👍11✍2
What is the purpose of the HTML <br> tag?
Anonymous Quiz
7%
A) Bold text
88%
B) Breaks the line and starts a new line
4%
C) Adds a background color
1%
D) Creates a bullet list
👍10
Which HTML tag is used to define an unordered list?
Anonymous Quiz
13%
A) <ol>
4%
B) <dl>
78%
C) <ul>
5%
D) <list>
👍10❤3❤🔥2
What does the HTML acronym "CSS" stand for?
Anonymous Quiz
6%
A) Creative Style Sheets
5%
B) Computer Style Sheets
87%
C) Cascading Style Sheets
2%
D) Colorful Style Sheets
👍9
Which HTML tag is used to create a table?
Anonymous Quiz
77%
A) <table>
9%
B) <tab>
8%
C) <tr>
6%
D) <td>
👍4
Which of the following is a non-relational database model?
Anonymous Quiz
15%
a) MySQL
49%
b) MongoDB
16%
c) Oracle
20%
d) PostgreSQL
👍11✍2
Which normal form is concerned with the redundancy of data in a database?
Anonymous Quiz
37%
a) First Normal Form (1NF)
24%
b) Second Normal Form (2NF)
15%
c) Third Normal Form (3NF)
24%
d) Boyce-Codd Normal Form (BCNF)
👍10🕊9
What is the correct way to include JavaScript in an HTML document?
Anonymous Quiz
74%
a) <script src="script.js"></script>
13%
b) <javascript>script.js</javascript>
6%
c) <js>script.js</js>
7%
d) <include script="script.js">
👍4❤🔥1
1. What is the primary purpose of an operating system?
Anonymous Quiz
8%
A. Managing hardware resources
11%
B. Running application software
7%
C. Providing a user interface
74%
D. All of the above
👍3❤🔥1
What is the primary purpose of the Domain Name System (DNS) in computer networks?
Anonymous Quiz
20%
A) To encrypt data transmission
61%
B) To allocate IP addresses
16%
C) To manage network security
2%
D) To regulate internet speed
👍6
Which layer of the OSI model is responsible for end-to-end communication, flow control, and error correction?
Anonymous Quiz
31%
A) Data Link Layer
30%
B) Network Layer
30%
C) Transport Layer
9%
D) Session Layer
👍5
What is the function of a router in a computer network?
Anonymous Quiz
41%
A) Forwarding data packets between devices within the same network
18%
B) Converting digital signals to analog signals for transmission
19%
C) Filtering and forwarding packets between different networks
22%
D) Providing physical connectivity between devices in a local area network
👍15🔥1🕊1
Which protocol is commonly used for secure communication over the Internet, providing encryption and authentication?
Anonymous Quiz
55%
A) Hypertext Transfer Protocol (HTTP)
8%
B) File Transfer Protocol (FTP)
9%
C) Simple Mail Transfer Protocol (SMTP)
29%
D) Secure Socket Layer/Transport Layer Security (SSL/TLS)
👍6
What does the SQL acronym "DDL" stand for?
Anonymous Quiz
85%
a) Data Definition Language
5%
b) Data Deletion Language
4%
c) Data Distortion Language
6%
d) Data Development Language
🕊10👍7
Which keyword is used to declare a constant in Java?
Anonymous Quiz
19%
a) constant
26%
b) final
19%
c) static
37%
d) const
👍5🔥3❤🔥2
What is the purpose of the break statement in Java?
Anonymous Quiz
21%
a) To terminate the program execution.
56%
b) To exit a loop or switch statement.
14%
c) To skip the next iteration of a loop.
10%
d) To define a stopping condition for recursion.
👍8
Which of the following access modifiers in Java is the most restrictive?
Anonymous Quiz
13%
a) public
27%
b) protected
18%
c) default (package-private)
42%
d) private
❤🔥4👍3☃1
Which of the following is true about the StringBuilder class in Java?
Anonymous Quiz
30%
a) StringBuilder is immutable.
20%
b) Methods in StringBuilder are synchronized.
28%
c) StringBuilder is part of the java.util package.
22%
d) StringBuilder is generally faster than StringBuffer.
👍2❤🔥1
What is the purpose of the super keyword in Java?
Anonymous Quiz
23%
a) To refer to the superclass of the current object.
15%
b) To invoke the superclass constructor.
8%
c) To access the superclass's static methods.
53%
d) All of the above.
👍3✍1🤗1